PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31239Seal,plain Encased

Skf Usa Inc. Dba Skf Aerospace Sealing Solutions · NSN 5330-00-706-4794 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-706-4794 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-706-4794. Primary manufacturer part number: 31239.
Features
  • Seal,plain Encased — FSC 5330
  • Sealing Element Style: ANGULAR
  • Accommodated Shaft Diameter: 3.125 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Seal Width: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
  • Housing Bore Diameter: 4.249 INCHES NOMINAL IN
  • Temp Rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
  • Case Style: SQUARE
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Steel Case construction
General Description

The Seal,plain Encased, cataloged under National Stock Number 5330-00-706-4794, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Skf Usa Inc. Dba Skf Aerospace Sealing Solutions. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-706-4794
Primary Part Number31239
Item NameSeal,plain Encased
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerSkf Usa Inc. Dba Skf Aerospace Sealing Solutions
StatusCANCELLED
Sealing Element StyleANGULAR
Accommodated Shaft Diameter3.125 INCHES NOMINAL IN
MaterialSTEEL CASE
Seal Width0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN
Housing Bore Diameter4.249 INCHES NOMINAL IN
Temp Rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
Case StyleSQUARE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5340-00-339-994649409 INTERCHANGEABLE
Deflector,dirt and Liquid
Honeywell International Inc. Div Aerospace - Torrance
5340-00-355-987931239 INTERCHANGEABLE
Spring,loop
Pax Mfg Corp Hammarlund Mfg Co Div
5935-00-892-9035SC-C-76412 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3020-00-937-6053 INTERCHANGEABLE
Gear,spur
1280-01-012-189631239 INTERCHANGEABLE
Retainer Assembly,lower Control
Hamilton Sundstrand Corporation Dba Collins Aerospace
5340-01-216-73551093713 INTERCHANGEABLE
Latch Set,rim
The Crosby Group Llc Dba the Crosby Group
2990-01-218-845149409 INTERCHANGEABLE
Pipe,exhaust
Sullair Corp
5975-01-229-8650A53BC12 INTERCHANGEABLE
Conduit,nonmetallic,rigid
Cantex Inc Dba Cantex of Delaware
6645-01-451-126531239 INTERCHANGEABLE
Timer,interval
Alliance Laundry Systems Llc
4820-01-501-6448 INTERCHANGEABLE
Seat,valve
Cross-Reference Index
Part NumberManufacturer
266675R91 Navistar International Corporation Dba Navistar (USA)
273986R91 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
273986R91 Navistar International Corporation Dba Navistar (USA)
49409 Dana Automotive Systems Group, Llc Dba Dana Sealing Products (USA)
455016 Federal-Mogul Corp Government Sales Dept (USA)
31239 PRIMARY Skf Usa Inc. Dba Skf Aerospace Sealing Solutions (USA)
266675R91 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
Related Parts
5340-00-339-9946INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
49409
5340-00-355-9879INTERCHANGEABLE
SPRING,LOOP
31239
5935-00-892-9035INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
SC-C-76412
3020-00-937-6053INTERCHANGEABLE
GEAR,SPUR
1280-01-012-1896INTERCHANGEABLE
RETAINER ASSEMBLY,LOWER CONTROL
31239
5340-01-216-7355INTERCHANGEABLE
LATCH SET,RIM
1093713
2990-01-218-8451INTERCHANGEABLE
PIPE,EXHAUST
49409
5975-01-229-8650INTERCHANGEABLE
CONDUIT,NONMETALLIC,RIGID
A53BC12
6645-01-451-1265INTERCHANGEABLE
TIMER,INTERVAL
31239
4820-01-501-6448INTERCHANGEABLE
SEAT,VALVE
6130-01-556-6869INTERCHANGEABLE
POWER SUPPLY
31239

Frequently Asked Questions

What is NSN 5330-00-706-4794?

NSN 5330-00-706-4794 is a Seal,plain Encased, manufactured by Skf Usa Inc. Dba Skf Aerospace Sealing Solutions, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-706-4794?

NSN 5330-00-706-4794 has 7 cross-referenced part numbers: 266675R91 (Navistar International Corporation Dba Navistar), 273986R91 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/), 273986R91 (Navistar International Corporation Dba Navistar), 49409 (Dana Automotive Systems Group, Llc Dba Dana Sealing Products), 455016 (Federal-Mogul Corp Government Sales Dept) and 2 more.

What NSN replaces 5330-00-706-4794?

There are 11 known substitutes for 5330-00-706-4794: 5340-00-339-9946, 5340-00-355-9879, 5935-00-892-9035 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31239?

Key specifications for 31239: Sealing Element Style: ANGULAR; Accommodated Shaft Diameter: 3.125 INCHES NOMINAL IN; Material: STEEL CASE; Seal Width: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-706-4794 still in active supply?

NSN 5330-00-706-4794 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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